Changjun Jiang

LORI: A Learning-to-Rank-Based Integration Method of Location Recommendation

2019 · IEEE Transactions on Computational Social Systems

Location recommendation method is an important application in a location-based social network. At present, it is a trend to integrate different recommendation methods since they have their own advantages in capturing different preferences of users …

Time-Aware Attention-Based Gated Network for Credit Card Fraud Detection by Extracting Transactional Behaviors

2022 · IEEE Transactions on Computational Social Systems

With the popularity of credit cards worldwide, timely and accurate fraud detection has become critically important to ensure the safety of their user accounts. Existing models generally utilize original features or manually aggregated features as …

The Adaptation of Concept Drift: A Fit Prediction Algorithm Based on Local Optimum

2023 · IEEE Transactions on Computational Social Systems

With the rapid development of Internet industry, the learning methods based on data stream have attracted more and more attention owing to their great application value in many industries such as banking, insurance, and telecom …

Graph Multi-Convolution and Attention Pooling for Graph Classification

2024 · IEEE Transactions on Pattern Analysis and Machine Intelligence

Many studies have achieved excellent performance in analyzing graph-structured data. However, learning graph-level representations for graph classification is still a challenging task. Existing graph classification methods usually pay less attention to the fusion of node …